Home / 21,767,257.77-32,650,881.80-7,935,253.49

Finding the Fourth Proportional to 21,767,257.77, 32,650,881.80 and 7,935,253.49

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Solution

The fourth proportional to 21,767,257.77, 32,650,881.80 and 7,935,253.49 is: 11,902,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767,257.77 : 32,650,881.80 = 7,935,253.49 : x
  2. Step 2: Convert to fraction form
    21,767,257.77/32,650,881.80 = 7,935,253.49/x
  3. Step 3: Cross multiply
    21,767,257.77x = 32,650,881.80 × 7,935,253.49
  4. Step 4: Simplify right side
    21,767,257.77x = 259,093,023,796,978.44
  5. Step 5: Solve for x
    x = 259,093,023,796,978.44/21,767,257.77
  6. Step 6: Final answer
    x = 11,902,878.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.